var http = require('http');
var express = require('express');
var fs = require('fs');
var io = require('socket.io');
var Mustache = require('mustache');

var app = express();
var staticDir = express.static;
var server = http.createServer(app);

io = io(server);

var opts = {
    port: 1947,
    baseDir: __dirname + '/../../'
};

io.on('connection', function (socket) {

    socket.on('new-subscriber', function (data) {
        socket.broadcast.emit('new-subscriber', data);
    });

    socket.on('statechanged', function (data) {
        delete data.state.overview;
        socket.broadcast.emit('statechanged', data);
    });

    socket.on('statechanged-speaker', function (data) {
        delete data.state.overview;
        socket.broadcast.emit('statechanged-speaker', data);
    });

});

['css', 'js', 'images', 'plugin', 'lib'].forEach(function (dir) {
    app.use('/' + dir, staticDir(opts.baseDir + dir));
});

app.get('/', function (req, res) {

    res.writeHead(200, {'Content-Type': 'text/html'});
    fs.createReadStream(opts.baseDir + '/index.html').pipe(res);

});

app.get('/notes/:socketId', function (req, res) {

    fs.readFile(opts.baseDir + 'plugin/notes-server/notes.html', function (err, data) {
        res.send(Mustache.to_html(data.toString(), {
            socketId: req.params.socketId
        }));
    });

});

// Actually listen
server.listen(opts.port || null);

var brown = '\033[33m',
    green = '\033[32m',
    reset = '\033[0m';

var slidesLocation = 'http://localhost' + (opts.port ? (':' + opts.port) : '');

console.log(brown + 'reveal.js - Speaker Notes' + reset);
console.log('1. Open the slides at ' + green + slidesLocation + reset);
console.log('2. Click on the link in your JS console to go to the notes page');
console.log('3. Advance through your slides and your notes will advance automatically');
